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The CmYAB1-CmCUC2 transcriptional module shapes the iconic ray florets in Chrysanthemum morifolium.

The New phytologist - 1 Aug 2026

Ding Lian, Zhang Xue, Jia Diwen, Zhang Yuhang, Xia Weikang, Li Song, Song Aiping, Jiang Jiafu, Chen Sumei, Chen Fadi

Abstract excerpt

Sympetaly (fused petals) is a major innovation driving floral diversity, yet its genetic basis in the highly successful Asteraceae family is elusive. We therefore investigated the molecular mechanisms controlling this trait in Chrysanthemum morifolium. We conducted functional analyses of candidate genes, examined their spatiotemporal expression patterns, and performed biochemical assays to investigate the...

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PMID: 42152225
DOI: 10.1111/nph.71274
PMCID: PMC13373821

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